Alert archive / Virginia / Albemarle County
Weather alerts in Albemarle County, Virginia, 2018
181 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Albemarle County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 181
- Warnings
- 77
- Watches
- 36
- Advisories
- 35
- Busiest month
- May36 alerts
- Busiest day
- May 14, 201813 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado reports fell inside a warning.
Albemarle County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 30 | 23 | 23% | 45 | 51% | 19 min |
| Flash flood warnings | 11 | 2 | 82% | 10 | 90% | 213 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 19 | 1 | 95% | 4 | 25% | 1 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 312 | 208 | 33% | 690 | 70% | 20 min |
| NWS Baltimore/Washington: flash flood warnings | 87 | 38 | 56% | 129 | 89% | 103 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 3:34 AM EST | Wind Chill Watch | LWX | 24 hr |
| Jan 3, 3:34 AM EST | Wind Chill Advisory | LWX | 38 hr |
| Jan 4, 3:36 AM EST | Wind Chill Watch | LWX | 24 hr |
| Jan 4, 3:36 AM EST | Wind Chill Warning | LWX | 56 hr |
| Jan 5, 3:45 AM EST | Wind Chill Advisory | LWX | 54 hr |
| Jan 7, 2:46 PM EST | Winter Weather Advisory | LWX | 33 hr |
| Jan 13, 12:34 PM EST | Wind Chill Advisory | LWX | 21 hr |
| Jan 15, 1:47 PM EST | Winter Weather Advisory | LWX | 46 hr |
| Jan 17, 4:19 AM EST | Wind Chill Advisory | LWX | 29 hr |
| Jan 30, 3:21 AM EST | Wind Advisory | LWX | 12 hr |
| Feb 3, 3:00 PM EST | Winter Weather Advisory | LWX | 28 hr |
| Feb 6, 4:02 AM EST | Winter Weather Advisory | LWX | 38 hr |
| Feb 10, 3:38 AM EST | Flood Watch | LWX | 36 hr |
| Feb 11, 4:21 AM EST | Areal Flood Warning | LWX | 11 hr |
| Feb 16, 9:12 PM EST | Winter Weather Advisory | LWX | 31 hr |
| Feb 28, 2:52 PM EST | High Wind Watch | LWX | 21 hr |
| Mar 1, 4:06 AM EST | High Wind Warning | LWX | 45 hr |
| Mar 1, 10:37 PM EST | Special Weather Statement | LWX | 7 hr |
| Mar 2, 7:57 PM EST | Wind Advisory | LWX | 10 hr |
| Mar 5, 2:04 PM EST | Winter Weather Advisory | LWX | 34 hr |
| Mar 10, 3:11 PM EST | Winter Storm Watch | LWX | 11 hr |
| Mar 11, 3:15 AM EDT | Winter Storm Warning | LWX | 24 hr |
| Mar 11, 2:37 PM EDT | Winter Weather Advisory | LWX | 23 hr |
| Mar 14, 2:18 PM EDT | Wind Advisory | LWX | 30 hr |
| Mar 16, 1:27 PM EDT | Winter Weather Advisory | LWX | 23 hr |
| Mar 19, 12:06 PM EDT | Winter Storm Watch | LWX | 25 hr |
| Mar 19, 3:42 PM EDT | Winter Storm Warning | LWX | 52 hr |
| Mar 19, 3:42 PM EDT | Winter Weather Advisory | LWX | 28 hr |
| Mar 20, 10:00 AM EDT | Special Weather Statement | LWX | 15 min |
| Mar 20, 9:55 PM EDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 27, 4:07 AM EDT | Winter Weather Advisory | LWX | 13 hr |
| Apr 3, 5:33 PM EDT | Wind Advisory | LWX | 25 hr |
| Apr 11, 1:34 PM EDT | Fire Weather Watch | LWX | 14 hr |
| Apr 12, 3:42 AM EDT | Red Flag Warning | LWX | 16 hr |
| Apr 15, 2:42 PM EDT | Flash Flood Watch | LWX | 13 hr |
| Apr 15, 7:47 PM EDT | Severe Thunderstorm Warning | LWX | 58 min |
| Apr 15, 8:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 15, 8:33 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Apr 15, 11:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 16, 4:29 AM EDT | Freeze Watch | LWX | 12 hr |
| Apr 16, 4:25 PM EDT | Freeze Warning | LWX | 15 hr |
| Apr 17, 4:08 AM EDT | Freeze Watch | LWX | 9 hr |
| Apr 18, 2:22 PM EDT | Wind Advisory | LWX | 27 hr |
| Apr 19, 4:27 AM EDT | Freeze Watch | LWX | 10 hr |
| Apr 19, 2:22 PM EDT | Freeze Warning | LWX | 18 hr |
| Apr 20, 4:16 AM EDT | Freeze Watch | LWX | 10 hr |
| Apr 20, 2:28 PM EDT | Freeze Warning | LWX | 19 hr |
| Apr 29, 3:15 PM EDT | Freeze Warning | LWX | 17 hr |
| May 10, 12:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 10, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 10, 1:19 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| May 10, 2:07 PM EDT | Severe Thunderstorm Warning | LWX | 38 min |
| May 10, 2:35 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| May 10, 4:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| May 14, 12:29 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 14, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| May 14, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| May 14, 3:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 3:39 PM EDT | Severe Thunderstorm Warning | LWX | 66 min |
| May 14, 3:46 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| May 14, 3:54 PM EDT | Flash Flood Warning | LWX | 5 hr |
| May 14, 4:15 PM EDT | Flash Flood Warning | LWX | 5 hr |
| May 14, 5:33 PM EDT | Severe Thunderstorm Warning | LWX | 57 min |
| May 14, 5:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 14, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| May 14, 6:14 PM EDT | Severe Thunderstorm Warning | LWX | 76 min |
| May 14, 7:29 PM EDT | Flash Flood Warning | LWX | 114 min |
| May 15, 5:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 16, 1:40 PM EDT | Flood Watch | LWX | 3 days |
| May 18, 7:19 PM EDT | Areal Flood Warning | LWX | 21 hr |
| May 22, 1:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 22, 2:33 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 22, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | 46 min |
| May 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 27, 1:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 28, 5:28 PM EDT | Areal Flood Warning | LWX | 3 hr |
| May 30, 4:24 AM EDT | Flash Flood Watch | LWX | 25 hr |
| May 30, 3:49 PM EDT | Areal Flood Warning | LWX | 30 hr |
| May 30, 4:33 PM EDT | Areal Flood Warning | LWX | 12 hr |
| May 30, 7:19 PM EDT | Flash Flood Warning | LWX | 9 hr |
| May 30, 8:35 PM EDT | Flash Flood Warning | LWX | 3 hr |
| May 30, 10:55 PM EDT | Flash Flood Warning | LWX | 9 hr |
| May 30, 10:58 PM EDT | Areal Flood Warning | LWX | 6 hr |
| May 31, 6:52 PM EDT | Flash Flood Warning | LWX | 92 min |
| Jun 1, 6:34 PM EDT | Areal Flood Warning | LWX | 5 hr |
| Jun 2, 3:13 AM EDT | Flash Flood Watch | LWX | 25 hr |
| Jun 2, 4:04 PM EDT | Areal Flood Warning | LWX | 12 hr |
| Jun 3, 4:11 AM EDT | Flood Watch | LWX | 14 hr |
| Jun 10, 3:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 3:33 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Jun 10, 4:01 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| Jun 10, 4:06 PM EDT | Areal Flood Warning | LWX | 4 hr |
| Jun 10, 4:37 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Jun 18, 4:36 PM EDT | Severe Thunderstorm Warning | LWX | 24 min |
| Jun 20, 2:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 21, 4:11 AM EDT | Flash Flood Watch | LWX | 29 hr |
| Jun 21, 4:23 PM EDT | Areal Flood Warning | LWX | 35 hr |
| Jun 22, 11:30 AM EDT | Flash Flood Watch | LWX | 14 hr |
| Jun 23, 5:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 2:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 24, 2:25 PM EDT | Severe Thunderstorm Warning | LWX | 35 min |
| Jun 27, 7:37 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 11, 2:15 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 11, 4:19 PM EDT | Severe Thunderstorm Warning | LWX | 26 min |
| Jul 11, 7:30 PM EDT | Areal Flood Warning | LWX | 3 hr |
| Jul 22, 7:05 PM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| Jul 23, 2:57 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 4:59 AM EDT | Flash Flood Watch | LWX | 68 hr |
| Jul 26, 1:47 AM EDT | Dense Fog Advisory | LWX | 7 hr |
| Jul 27, 1:28 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 27, 1:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 4:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 27, 7:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 28, 12:47 AM EDT | Severe Thunderstorm Warning | LWX | 43 min |
| Jul 31, 7:08 PM EDT | Areal Flood Warning | LWX | 17 hr |
| Jul 31, 8:16 PM EDT | Areal Flood Warning | LWX | 16 hr |
| Jul 31, 11:14 PM EDT | Flash Flood Watch | LWX | 72 hr |
| Jul 31, 11:23 PM EDT | Areal Flood Warning | LWX | 14 hr |
| Aug 1, 12:40 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Aug 2, 11:24 AM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Aug 2, 7:01 PM EDT | Areal Flood Warning | LWX | 2 hr |
| Aug 3, 5:35 PM EDT | Areal Flood Warning | LWX | 11 hr |
| Aug 3, 6:13 PM EDT | Flash Flood Warning | LWX | 2 hr |
| Aug 4, 2:23 AM EDT | Dense Fog Advisory | LWX | 5 hr |
| Aug 8, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | 37 min |
| Aug 8, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Aug 8, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Aug 8, 7:00 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Aug 8, 7:33 PM EDT | Areal Flood Warning | LWX | 80 min |
| Aug 12, 12:23 PM EDT | Flash Flood Watch | LWX | 9 hr |
| Aug 12, 2:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 2:38 PM EDT | Severe Thunderstorm Warning | LWX | 37 min |
| Aug 13, 3:20 AM EDT | Dense Fog Advisory | LWX | 4 hr |
| Aug 13, 1:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 17, 3:10 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 21, 5:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 30, 1:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 30, 3:22 PM EDT | Areal Flood Warning | LWX | 6 hr |
| Aug 30, 4:11 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Aug 30, 6:07 PM EDT | Severe Thunderstorm Warning | LWX | 68 min |
| Sep 1, 12:11 PM EDT | Flash Flood Watch | LWX | 8 hr |
| Sep 1, 5:35 PM EDT | Flash Flood Warning | LWX | 93 min |
| Sep 1, 7:05 PM EDT | Areal Flood Warning | LWX | 119 min |
| Sep 2, 7:23 AM EDT | Dense Fog Advisory | LWX | 2 hr |
| Sep 7, 3:29 AM EDT | Flash Flood Watch | LWX | 19 hr |
| Sep 16, 3:11 PM EDT | Flash Flood Watch | LWX | 52 hr |
| Sep 17, 9:11 AM EDT | Areal Flood Warning | LWX | 19 hr |
| Sep 19, 4:18 PM EDT | Severe Thunderstorm Warning | LWX | 28 min |
| Sep 22, 2:10 PM EDT | Flash Flood Watch | LWX | 3 hr |
| Sep 23, 4:06 AM EDT | Areal Flood Warning | LWX | 28 hr |
| Sep 26, 3:40 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 27, 2:39 AM EDT | Flood Watch | LWX | 27 hr |
| Sep 29, 4:24 AM EDT | Dense Fog Advisory | LWX | 6 hr |
| Oct 8, 2:58 AM EDT | Dense Fog Advisory | LWX | 7 hr |
| Oct 10, 3:42 PM EDT | Flash Flood Watch | LWX | 31 hr |
| Oct 11, 3:12 AM EDT | Wind Advisory | LWX | 29 hr |
| Oct 11, 2:56 PM EDT | Flash Flood Warning | LWX | 6 hr |
| Oct 11, 9:14 PM EDT | Areal Flood Warning | LWX | 5 hr |
| Oct 17, 3:26 AM EDT | Freeze Warning | LWX | 30 hr |
| Oct 18, 2:57 PM EDT | Frost Advisory | LWX | 18 hr |
| Oct 20, 1:10 PM EDT | Wind Advisory | LWX | 18 hr |
| Oct 21, 4:05 AM EDT | Freeze Warning | LWX | 30 hr |
| Oct 28, 12:05 PM EDT | Wind Advisory | LWX | 19 hr |
| Nov 13, 3:46 PM EST | Winter Storm Watch | LWX | 24 hr |
| Nov 14, 3:54 PM EST | Winter Storm Warning | LWX | 36 hr |
| Nov 15, 3:18 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 7:50 PM EST | Wind Advisory | LWX | 16 hr |
| Nov 23, 3:32 AM EST | Winter Weather Advisory | LWX | 36 hr |
| Nov 26, 2:14 PM EST | Wind Advisory | LWX | 13 hr |
| Nov 27, 2:03 PM EST | Wind Advisory | LWX | 24 hr |
| Dec 4, 6:36 PM EST | Winter Weather Advisory | LWX | 22 hr |
| Dec 8, 2:05 PM EST | Winter Storm Watch | LWX | 4 hr |
| Dec 8, 6:02 PM EST | Winter Storm Warning | LWX | 30 hr |
| Dec 9, 8:18 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 12:34 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 13, 2:04 PM EST | Flood Watch | LWX | 63 hr |
| Dec 19, 3:48 AM EST | Flood Watch | LWX | 59 hr |
| Dec 20, 8:27 PM EST | Areal Flood Warning | LWX | 13 hr |
| Dec 21, 4:07 AM EST | Wind Advisory | LWX | 30 hr |
| Dec 21, 2:33 PM EST | Mesoscale Discussion | SPC | 57 min |
| Dec 27, 3:41 AM EST | Flood Watch | LWX | 39 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 30 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 31 |
| Special Weather Statement | 2 |
| Flooding | |
| Areal Flood Warning | 23 |
| Flash Flood Warning | 11 |
| Flash Flood Watch | 13 |
| Flood Watch | 7 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 12 |
| Cold | |
| Freeze Warning | 6 |
| Wind Chill Warning | 1 |
| Freeze Watch | 4 |
| Wind Chill Watch | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 12 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.